<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login myWebService</title>
</head>
<body>
  <form action="/login/" method="post">
    用户名： <input name="username" type="text">
    密 码：<input name="password" type="password">
    <input type="submit">
  </form>
</body>
</html>